How did the emancipation proclamation change the civil war?

How does the balance of trade look different in the us today vs hot it looked in the 70's

Which best describes the albany plan of union? it was a failed plan to eliminate the colonists’ right to vote.it was a failed plan to unite the american colonies.it was a failed plan to make the colonies independent from britain.it was a failed plan to strengthen individual colonial governments.?

Supreme court cases can alter history? true or false